| ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py |
| ; RUN: opt -S -instcombine < %s | FileCheck %s |
| |
| target triple = "aarch64-unknown-linux-gnu" |
| |
| ; Test that rdffr is substituted with predicated form which enables ptest optimization later. |
| define <vscale x 16 x i1> @predicate_rdffr() #0 { |
| ; CHECK-LABEL: @predicate_rdffr( |
| ; CHECK-NEXT: [[TMP1:%.*]] = call <vscale x 16 x i1> @llvm.aarch64.sve.ptrue.nxv16i1(i32 31) |
| ; CHECK-NEXT: [[OUT:%.*]] = call <vscale x 16 x i1> @llvm.aarch64.sve.rdffr.z(<vscale x 16 x i1> [[TMP1]]) |
| ; CHECK-NEXT: ret <vscale x 16 x i1> [[OUT]] |
| ; |
| %out = call <vscale x 16 x i1> @llvm.aarch64.sve.rdffr() |
| ret <vscale x 16 x i1> %out |
| } |
| |
| declare <vscale x 16 x i1> @llvm.aarch64.sve.rdffr() |
| |
| attributes #0 = { "target-features"="+sve" } |
